Nut-lock.



H. W. BEACH.

NUT LOCK.

APPLIOATION FILED SEPT. o, 1913.

Patented Aug. 4, 1914.

/C @19st,

HARRY W. BEACH, OF EVANSTON, ILLINOI.

N 'UT-LUCK.

Specification of Letters Patent.

.Patented Aug. et, 15M-1.

Application :tiled September 9, 1913. Serial No. 788,808.

Y 10 all whom it may concern Be it known that I, I-Ixnnr IV. Emol-i, residing at Evanston, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Nut-Locks, j

of which the following is a full, cl ar, and. exact description. A

The invention which constitutes the subject matter of this application relates to an improvement in nut locks.

In the drawings, which show the preferred embodiments oit' my invention, Figure I shows a side view of the position ot' the various parts of the bolt and nut when in normal position, the latter being sectional, Fig. 2 is a section taken on line 2-2 of Fig. 1, Figs. 3 and 4t are detail views, Eig. 5 illustrates a modified form, Fig. 6 illustrates another modification, and .F ig. 7 is a detail of Figs. 5 and 6. Fig. 8 is a plan view of the inner cup showing the perforation in the bottom thereof to receive the projection on the bolt.

Referring to the drawings in detail, particularly to Figs. l to et, the character A represents a bolt of ordinary form, excepting that it is provided with an irregular projection I3 extending axially from the screw threaded end thereof. The nut C is also of the usual form, excepting that it is provided with a cup D extending outwardly in a direction parallel to said projection, the walls of said cup being provided with a plurality of lateral perforations located substantially in the same cross-sectional plane. lfVithin the cup D is a second cup E provided with an irregular perforation F in the bottom thereof to receive the irregular projection on the bolt. This cup E is also provided with a plurality of lateral perforations located in the same plane with the lateral perforations in the walls of the cup D when in locked position. Suitable means, such as a Cotter pin G, is adapted to pass through the perforations in the cups as shown, in order to prevent one of said cups from turning relatively to the other, and inasmuch as the cup E cannot turn relatively to the bolt it follows that the nut is held by said pin in locked position. In order to make the adjustment as fine as possible, the walls of one of the cups is provided with a number of lateral perforations in excess of the number of perforations in the other cup. It will therefore be seen that when two or more of said perforatons are out of register two or more of the saine will he in register, so that whatever the position of the uut is on the bolt, the requisite number of perilorations will be in register, or substantially in register, to receive the eotter pin.

In Figs. 5 and 7 I illustrate a modified :forni in which one of the cups is provided `with slots instead of perforations, while in Eig. G I show a construction in which the walls of both cups are provided with slots, and to hold the same in locked position I employ a pin II the ends oil which are bent at right angles, as shown, and curved to engage resiliently in an annular groove I on the cup D.

In Fig. 8 is shown a :form `of inner cup which is advantageous in eases where the proximity of parts of the machine or other object to which the bolt is applied imposes limitations as to lthe position of the pin. In the forni referred to two slots F, li", preferably at right angles to each other, are provided for the lug I3. Thus if with the slot F seated on the lug the registering perforations in the walls of the cups are in such position that the pin cannot be inserted the inner cup can be given a quarter turn, thereby bringing perforations into register 90 trom the first position.

From the :foregoing it will be apparent that by varying the depth of the cups and the length of the irregular projection on the bolt any desired longitudinal adjustment can be obtained with the nut locking at any point.

What I claim and desire to secure by Letters Patent is:

1. A nut lock comprising a bolt provided with an irregular projection extending axially from the screw threaded end thereof, a nut screw threaded on said bolt and provided with a cup extending outwardly in a direction parallel to said projection, in combination with a second cup rcvoluble within the first cup and provided with a pcrforan tion in the bottom thereof to ft over the irregular projection of the bolt, and separate means engaging with the said cups to prevent the one from rotating relatively to the other.

2. A nut lock comprising a bolt provided with an irregular projection extending axially from the screw threaded end thereof, a nut screw threaded to said bolt and provided with a cup extending outwardly in a direction parallel to said projection', in combination with a second cup provided with a perforation in the bottom thereof to fit over the irregular projection of the bolt, said cups provided with a plurality of lateral perforations which are adapted to register with each other, and means engaging with' said lateral perforations to prevent said nut from rotating relatively to the bolt.

3. A nut lock comprising a bolt provided with an irregular projection extending aX ially from the screw-threaded end thereof, a nut screw threaded to said bolt, and( provided with a cup extending outwardly in a direction parallel to said projection and provided witli a plurality of lateral perforations located substantially in the same cross- `sectional plane, in combination with a second cup revoluble within the rst cup when the desired adjustment of members is being secured and provided with a perforation in the bottom thereof to t over the irregular projection on the bolt and also provided with a plurality of lateral perforations located in the same plane with the perforations on the first mentioned cup, and means adapted to engage with said lateral perforations in said cups to prevent the rotation of one relatively to the other.

In testimony whereof I affix my signature in the presence of two subscribing witnesses.

HARRY W. BEACH. Witnesses:

JnNNin B. BEACH, JEAN S. BEACH.

@epica of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents.

Washington, ID. C. 

